dnssec.vs.uni-due.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:35:66:c9:1b:4e:8d:9e:b4:f3:3c:c2:d0:9b:40:13:c0:f3 was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=dnssec.vs.uni-due.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:35:66:c9:1b:4e:8d:9e:b4:f3:3c:c2:d0:9b:40:13:c0:f3Serial Number (int): 279508448703177790648705008213965011140851
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: ac:e3:a9:b5:c6:a6:b5:1c:0e:4e:1e:9f:80:c6:fc:14:16:60:29:79
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 7a:84:84:d6:10:7a:09:e6:db:0c:07:63:93:01:3b:f7:31:60:88:6d
Fingerprint (sha256): 16:43:89:58:bd:fc:21:39:33:bc:14:c7:db:ad:f3:db:fa:9b:f9:1d:1e:6d:71:5b:17:4a:b8:06:72:03:26:e1
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate dnssec.vs.uni-due.de
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for dnssec.vs.uni-due.de
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
dnssec.vs.uni-due.de
dnssec.vs.uni-duisburg-essen.de
dnssec.vs.uni-duisburg-essen.de
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Certificate
The complete raw certificate details for dnssec.vs.uni-due.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFgjCCBGqgAwIBAgISAzVmyRtOjZ608zzC0JtAE8DzMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMjAyMDA1NTZaFw0y MDA0MTkyMDA1NTZaMB8xHTAbBgNVBAMTFGRuc3NlYy52cy51bmktZHVlLmRlMIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3hTpbFbSv6Du29bCenVlxSit YdHoRsBw16E2WPabqVV+oB3AiIjON89jkfLpryuDQ8j2vQRhy7UrDwyyNK26em/F 8vhcAZ6VHH0gjJxWpy0xWg3X5cxRFiWhW6wyx5sd+qJof28h4kCy0GZ1YN68VBUU QxR9jaezL+u2iIQk/o46t3xevOijBSlXXA9RsOFPT5QEdUGbofA3opyWPjGw9nP+ wBS92UpYkzt6pO2+XZfMHagxAXtfAi9Aex+dVbMQUWr3ygCPkAMsX15Ml5Qysc+r MnFHRyXdy/jo68EA28sEZNAhE43RMcBThm0Xn/zhj12UcDke2nmyopyRnJ66ywID AQABo4ICizCCAocwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSs46m1xqa1HA5OHp+A xvwUFmApeTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEF BQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5j cnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5j cnlwdC5vcmcvMEAGA1UdEQQ5MDeCFGRuc3NlYy52cy51bmktZHVlLmRlgh9kbnNz ZWMudnMudW5pLWR1aXNidXJnLWVzc2VuLmRlMEwGA1UdIARFMEMwCAYGZ4EMAQIB MDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2Vu Y3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcAsh4FzIuizYogTodm +Su5iiUgZ2va+nDnsklTLe+LkF4AAAFvxMa9VgAABAMASDBGAiEApFv+7K8niWvo F3iF4kCWWQnEaUy+MQto+ftdPn6fVPsCIQC/hNRDQwDSSogmEHgvSZJkFwtjzr3o q6T4DJ3FWe5YrQB2AG9Tdqwx8DEZ2JkApFEV/3cVHBHZAsEAKQaNsgiaN9kTAAAB b8TGvWwAAAQDAEcwRQIhANotJJ1uVKsh6T49X59IySbP6XyMl2MfgOhd3nYMWCIb AiAjT+YenNkoDUWtdnmyQF1ZzaTeznsdqnJzMBsZqa/NLDANBgkqhkiG9w0BAQsF AAOCAQEAkce17KhN7/985klWvKiItY78ir2+Teshpbdr64PyPgO/E/uXGO/UTH49 uUnOwCiKeWpRwLEG9XxJY8tr48iMfCCOcOwV5VvylcqfbqKvQNMyUtizSU0hwZkU k8yfnGvknnXtbjxL8I8kkib/iOkQKOUy2CLUlzt/FspLm1vziJdBWPxGVZMFETP4 sajRu9BNe3y4zsKEAhKAn/nOA7ToC9WWbHxXeiYTb+qqm8aImuk9EK93omE0q/Kd 2p6qEghMWg6v/7VpJnZ9IkTzAjLF5YR32jTvqmK5pSUqE2AI5bA7yGCXv6po8WId KJoYanOhSfnSy2PbGZIUbb8cwcu+7g== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3hTpbFbSv6Du29bCenVl xSitYdHoRsBw16E2WPabqVV+oB3AiIjON89jkfLpryuDQ8j2vQRhy7UrDwyyNK26 em/F8vhcAZ6VHH0gjJxWpy0xWg3X5cxRFiWhW6wyx5sd+qJof28h4kCy0GZ1YN68 VBUUQxR9jaezL+u2iIQk/o46t3xevOijBSlXXA9RsOFPT5QEdUGbofA3opyWPjGw 9nP+wBS92UpYkzt6pO2+XZfMHagxAXtfAi9Aex+dVbMQUWr3ygCPkAMsX15Ml5Qy sc+rMnFHRyXdy/jo68EA28sEZNAhE43RMcBThm0Xn/zhj12UcDke2nmyopyRnJ66 ywIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 279508448703177790648705008213965011140851 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-20 20:05:56 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-19 20:05:56 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'dnssec.vs.uni-due.de' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28035215700000886471248017621750543244302602268977313787424613859406464598595127891826727206797921370148343612262125939445186498094227455588461321758912585237082067906992237729984249103668910917008492031887214599452469688418595406390081484950102938975956721787218181262299143569102312221002358483183627102329008082131933421970343748830331219339535307527103219858270381327702177530550724845582054866674572212453935812811277026247740956445703323742615433026843947986596245315330756629135970216040189716263485841882554004933489563115993168566603006239420604425911630792593211546063394159815277974512247598168842100980427 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) ace3a9b5c6a6b51c0e4e1e9f80c6fc1416602979 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (57 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dnssec.vs.uni-due.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dnssec.vs.uni-duisburg-essen.de' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fc4c6bd560000040300483046022100a45bfeecaf27896be8177885e240965909c4694cbe310b68f9fb5d3e7e9f54fb022100bf84d4434300d24a882610782f499264170b63cebde8aba4f80c9dc559ee58ad0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016fc4c6bd6c0000040300473045022100da2d249d6e54ab21e93e3d5f9f48c926cfe97c8c97631f80e85dde760c58221b0220234fe61e9cd9280d45ad7679b2405d59cda4dece7b1daa7273301b19a9afcd2c . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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